diff --git a/fake-deps.cabal b/fake-deps.cabal
index d49f844..30bff8d 100644
--- a/fake-deps.cabal
+++ b/fake-deps.cabal
@@ -10,9 +10,9 @@ tested-with:         GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.1
 
 library
   hs-source-dirs:      src
-  build-depends:       base >=4.6 && <4.12,
+  build-depends:       base >=4.6 && <4.13,
                        mtl >=2.1,
-                       trifecta >=1.4 && <1.8,
+                       trifecta < 2 || == 2,
                        parsers >=0.10 && <0.13,
                        parsec >=3.1.5
   default-language:    Haskell2010